fartiversary

The annual celebration of a smelly fart, toot, or burst of flatulence by one of your friends.

Where are you going this weekend?

I am going to Charlotte to celebrate Matt Yoss’ two year fartiversary.

That’s awesome! Will you be drinking fartinis?

fartiversary by KBL Pack 12/8 December 6, 2024

fanniversary 

The anniversary of the date you entered a fandom, based on whatever you consider the genesis of becoming a fan.

"You know, one year ago today I drew my first "Harry Potter" fanart."
"Oh my God, like, happy one year fanniversary!"

fanniversary by Omusubi October 23, 2005

Fanniversary 

The yearly Celebration of a Transgender woman successfully completing Gender Reassignment/Confirmation Surgery

Today is my Fanniversary, it's 20 years since I became a complete Woman...

Fanniversary by NotThatLadyDi February 7, 2025